@incollection{Huang17,
author = {Yongjun Huang and Jian Li and Guangjun Wen},
title = {Active and Tunable Metamaterials},
booktitle = {Metamaterials},
publisher = {IntechOpen},
address = {Rijeka},
year = {2017},
editor = {Alejandro Lucas Borja},
chapter = {2},
doi = {10.5772/67198},
url = {https://doi.org/10.5772/67198}
}